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authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2018-12-18 19:17:11 +0100
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2018-12-18 19:17:11 +0100
commit694d2982e5cc73edfc870e26647e85a558d71bbe (patch)
tree00e3b30ddeaec2a049d21efc79846e9cd0fc5e0c
parent7b30bc0222fa5f4e539a36a15ceb7b6e413cafd2 (diff)
downloadbusybox-694d2982e5cc73edfc870e26647e85a558d71bbe.tar.gz
busybox-694d2982e5cc73edfc870e26647e85a558d71bbe.tar.bz2
bc: code shrink
function old new delta bc_program_name 67 63 -4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-4) Total: -4 bytes text data bss dec hex filename 981372 485 7296 989153 f17e1 busybox_old 981368 485 7296 989149 f17dd busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--miscutils/bc.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index 40bb29942..eba8aa272 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -5174,17 +5174,19 @@ static size_t bc_program_index(char *code, size_t *bgn)
static char *bc_program_name(char *code, size_t *bgn)
{
size_t i;
- char *s, *str = code + *bgn, *ptr = strchr(str, BC_PARSE_STREND);
+ char *s;
- s = xmalloc(ptr - str + 1);
+ code += *bgn;
+ s = xmalloc(strchr(code, BC_PARSE_STREND) - code + 1);
i = 0;
for (;;) {
- char c = code[(*bgn)++];
- if (c == '\0' || c == BC_PARSE_STREND)
+ char c = *code++;
+ if (c == BC_PARSE_STREND)
break;
s[i++] = c;
}
s[i] = '\0';
+ *bgn += i + 1;
return s;
}